/**
* Given a slice (subset) of an array, returns a connection object for use in
* GraphQL.
*
* This function is similar to `connectionFromArray`, but is intended for use
* cases where you know the cardinality of the connection, consider it too large
* to materialize the entire array, and instead wish pass in a slice of the
* total result large enough to cover the range specified in `args`.
*
* @param array $arraySlice
* @param $args
* @param $meta
* @return array
*/
public static function connectionFromArraySlice(array $arraySlice, $args, $meta)
{
return ArrayConnection::connectionFromArraySlice($arraySlice, $args, $meta);
}
public function testWorksWithAnUndersizedArraySliceBothSides()
{
$connection = ArrayConnection::connectionFromArraySlice(array_slice($this->letters, 3, 1), ['first' => 3, 'after' => 'YXJyYXljb25uZWN0aW9uOjE='], ['sliceStart' => 3, 'arrayLength' => 5]);
$expected = array('edges' => array(0 => array('node' => 'D', 'cursor' => 'YXJyYXljb25uZWN0aW9uOjM=')), 'pageInfo' => array('startCursor' => 'YXJyYXljb25uZWN0aW9uOjM=', 'endCursor' => 'YXJyYXljb25uZWN0aW9uOjM=', 'hasPreviousPage' => false, 'hasNextPage' => true));
$this->assertEquals($expected, $connection);
}
